/* 
   base.css
   Estilos base estilo Apple (Apple-like aesthetics) para la PWA PROMPT MAESTRO
*/

:root {
    /* Stitch "Strategic Blue" Design System */
    --primary: #0f172a;
    --primary-container: #1e293b;

    --surface: #faf8fe;
    --surface-container-low: #f4f3f8;
    --surface-container-lowest: #ffffff;
    --on-surface: #1a1b1f;
    --text-secondary: #5f5e60;
    --outline-variant: rgba(193, 198, 214, 0.35); /* Ghost Border para Glassmorphism */
    
    /* Mapeo retroactivo para variables antiguas */
    --color-bg: var(--surface);
    --color-bg-secondary: var(--surface-container-low);
    --color-text: var(--on-surface);
    --color-text-secondary: var(--text-secondary);
    --color-accent: var(--primary);
    --color-accent-hover: var(--primary-container); 
    --color-success: #107E3E; 
    --color-warning: #E9730C; 
    --color-danger: #ba1a1a; 
    --color-border: var(--outline-variant); 

    /* Tipografía corporativa SaaS + ERP */
    --font-primary: 'Open Sans', "72", Arial, Helvetica, sans-serif;

    /* Geometría funcional (Híbrida, bordes menos circulares) */
    --radius-sm: 4px;
    --radius-md: 8px; 
    --radius-lg: 8px; 
    --radius-pill: 50px;

    /* Sombras precisas y modernas (Tonal Architecture) */
    --shadow-ambient: 0px 12px 32px rgba(26, 27, 31, 0.06);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.1); 
    --shadow-lg: var(--shadow-ambient);
    --shadow-float: 0 10px 20px rgba(0, 0, 0, 0.15);

    /* Transiciones */
    --transition-fast: 0.1s ease-in-out;
    --transition-normal: 0.2s ease-in-out;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1C2228; /* Fiori Quartz Dark background */
        --color-bg-secondary: #252D35; 
        --color-text: #FAFAFA;
        --color-text-secondary: #BBBBBB;
        --color-accent: #91C8F6; /* Azul claro SAP para dark mode */
        --color-border: #3A4550;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.5);
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html,
body {
    width: 100%;
    min-height: 100vh;
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    overflow-x: clip;
    /* clip en lugar de hidden para evitar cortes de scroll vertical en iOS */
    scroll-behavior: smooth;
    padding-bottom: 110px;
    /* Margen global para librar la vista a la botonera flotante */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

img,
video,
canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Layout utilitario base */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 0.8rem;
    }
}